Add option to enable thread sanitizer
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7fb7b1e..f2e7d50 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -80,6 +80,12 @@
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address")
endif()
+option(ENABLE_TSAN "Enable thread sanitizer support" OFF)
+if(ENABLE_TSAN AND NOT WIN32 AND NOT APPLE AND CMAKE_SIZEOF_VOID_P MATCHES 8)
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=thread")
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread")
+endif()
+
if(NOT DEFINED BUILD_WINVNC)
set(BUILD_WINVNC 1)
endif()
diff --git a/cmake/StaticBuild.cmake b/cmake/StaticBuild.cmake
index 5a3d998..6db0e14 100644
--- a/cmake/StaticBuild.cmake
+++ b/cmake/StaticBuild.cmake
@@ -119,6 +119,13 @@
if(ENABLE_ASAN AND NOT WIN32 AND NOT APPLE)
set(STATIC_BASE_LIBRARIES "${STATIC_BASE_LIBRARIES} -Wl,-Bstatic -lasan -Wl,-Bdynamic -ldl -lm -lpthread")
endif()
+ if(ENABLE_TSAN AND NOT WIN32 AND NOT APPLE AND CMAKE_SIZEOF_VOID_P MATCHES 8)
+ # libtsan redefines some C++ symbols which then conflict with a
+ # statically linked libstdc++. Work around this by allowing multiple
+ # definitions. The linker will pick the first one (i.e. the one
+ # from libtsan).
+ set(STATIC_BASE_LIBRARIES "${STATIC_BASE_LIBRARIES} -Wl,-z -Wl,muldefs -Wl,-Bstatic -ltsan -Wl,-Bdynamic -ldl -lm")
+ endif()
if(WIN32)
set(STATIC_BASE_LIBRARIES "${STATIC_BASE_LIBRARIES} -lmingw32 -lgcc_eh -lgcc -lmoldname -lmingwex -lmsvcrt")
set(STATIC_BASE_LIBRARIES "${STATIC_BASE_LIBRARIES} -luser32 -lkernel32 -ladvapi32 -lshell32")